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Message-ID: <1357587696.21481.48.camel@joe-AO722> Date: Mon, 07 Jan 2013 11:41:36 -0800 From: Joe Perches <joe@...ches.com> To: "J. Bruce Fields" <bfields@...ldses.org>, Trond Myklebust <Trond.Myklebust@...app.com> Cc: "David S. Miller" <davem@...emloft.net>, linux-nfs@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH] sunrpc: verbs: Avoid 1kb stack 16 * 64 is a bit much. Use kmalloc_array instead. Signed-off-by: Joe Perches <joe@...ches.com> --- net/sunrpc/xprtrdma/verbs.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 745973b..9cfebb4 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -1736,8 +1736,13 @@ rpcrdma_register_default_external(struct rpcrdma_mr_seg *seg, int mem_priv = (writing ? IB_ACCESS_REMOTE_WRITE : IB_ACCESS_REMOTE_READ); struct rpcrdma_mr_seg *seg1 = seg; - struct ib_phys_buf ipb[RPCRDMA_MAX_DATA_SEGS]; int len, i, rc = 0; + struct ib_phys_buf *ipb = kmalloc_array(RPCRDMA_MAX_DATA_SEGS, + sizeof(*ipb), + GFP_KERNEL); + + if (!ipb) + return -ENOMEM; if (*nsegs > RPCRDMA_MAX_DATA_SEGS) *nsegs = RPCRDMA_MAX_DATA_SEGS; @@ -1770,6 +1775,9 @@ rpcrdma_register_default_external(struct rpcrdma_mr_seg *seg, seg1->mr_len = len; } *nsegs = i; + + kfree(ipb); + return rc; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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